Title:
CERAMIC STRUCTURE AND SENSOR ELEMENT FOR GAS SENSOR
Document Type and Number:
WIPO Patent Application WO/2020/065952
Kind Code:
A1
Abstract:
A sensor element for a gas sensor, comprising: an element substrate being a ceramic structure comprising a detection unit for a gas component to be detected; and a protective layer provided on at least part of the outermost peripheral section of the element substrate. A plurality of convex sections having a size of no more than 1.0 µm and comprising fine ceramic particles having a particle diameter of 10 nm to 1.0 µm are formed discreetly on the protective layer, around a plurality of coarse ceramic particles having a particle diameter of 5.0–40 µm. The individual coarse ceramic particles are directly connected or are connected via the fine ceramic particles. The porosity of the protective layer is 5%–50%.
Inventors:
FUJISAKI MEGUMI (JP)
TUBOI MIKA (JP)
TOMITA TAKAHIRO (JP)
TUBOI MIKA (JP)
TOMITA TAKAHIRO (JP)
Application Number:
PCT/JP2018/036400
Publication Date:
April 02, 2020
Filing Date:
September 28, 2018
Export Citation:
Assignee:
NGK INSULATORS LTD (JP)
International Classes:
C04B38/00; G01N27/409; G01N27/416
Foreign References:
| JP2012173146A | 2012-09-10 | |||
| JP2012173147A | 2012-09-10 | |||
| JP2017187482A | 2017-10-12 |
Attorney, Agent or Firm:
YOSHITAKE Hidetoshi et al. (JP)
Download PDF:
Previous Patent: KNUCKLE GUARD
Next Patent: EMPIRICAL RISK ESTIMATION SYSTEM, EMPIRICAL RISK ESTIMATION METHOD, AND EMPIRICAL RISK ESTIMATION PR...
Next Patent: EMPIRICAL RISK ESTIMATION SYSTEM, EMPIRICAL RISK ESTIMATION METHOD, AND EMPIRICAL RISK ESTIMATION PR...